#0B0743#0B0743

#0B0743 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.6% C 0.106 H 273.7°. Best body text is #FFFFFF at 18.66:1 contrast (WCAG AA passes).

Color values

HEX	#0B0743
RGB	rgb(11, 7, 67)
HSL	hsl(244, 81%, 15%)
HSV	hsv(244, 90%, 26%)
CMYK	cmyk(83.6%, 89.6%, 0%, 73.7%)
CIE-LAB	lab(5.67, 23.86, -35.96)
CIE-LCH	lch(5.67, 43.15, 303.57°)
OKLab	oklab(19.55% 0.0069 -0.1054)
OKLCH	oklch(19.55% 0.106 273.7)
XYZ	xyz(1.2268, 0.6282, 5.3657)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0743 #3F4307

analogous

#072143 #0B0743 #290743

triadic

#0B0743 #430B07 #07430B

tetradic

#0B0743 #430721 #3F4307 #074329

square

#0B0743 #430721 #3F4307 #074329

split-complementary

#0B0743 #432907 #214307

monochromatic

#05031C #05031C #0B0743 #140D7A #1D13B2

Accessibility & contrast

On white

18.66

#0B0743 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0B0743 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0743

18.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0743	#FFFFFF	#000000	##FFFFFF
##0B0743	1.00	18.66	1.13	18.66
#FFFFFF	18.66	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001545

Deuteranopia (green-blind)

#001042

Tritanopia (blue-blind)

#001925

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0b0743;
/* rgb */ color: rgb(11, 7, 67);
/* oklch */ color: oklch(19.6% 0.106 273.7);

Tailwind

colors: {
  custom: {
    50: '#554878',
    500: '#0b0743',
    950: '#000000',
  },
}

SCSS

$custom: #0b0743;
$custom-light: #554878;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0743",
  "rgb": {
    "r": 11,
    "g": 7,
    "b": 67
  },
  "hsl": {
    "h": 244,
    "s": 81.081,
    "l": 14.51
  },
  "oklch": {
    "l": 0.19552,
    "c": 0.10559,
    "h": 273.7
  },
  "luminance": 0.00628
}

Semantic roles & 50–950 ramp

primary

#0B0743

secondary

#7C8224

accent

#F730EA

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030009

muted

#78777B

Preview Lab

Preview with #0B0743

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →